function fileLinks() {
    var fileLink;
    if (document.getElementsByTagName('a')) {
        for (var i = 0; (fileLink = document.getElementsByTagName('a')[i]); i++) {
            if (fileLink.href.indexOf('.pdf') != -1) {
                fileLink.setAttribute('target', '_blank');
                fileLink.className = 'pdfLink';
            }
            if (fileLink.href.indexOf('.doc') != -1) {
                fileLink.setAttribute('target', '_blank');
                fileLink.className = 'docLink';
            }
            if (fileLink.href.indexOf('.zip') != -1) {
                fileLink.setAttribute('target', '_blank');
                fileLink.className = 'zipLink';
            }
        }
    }
}
window.onload = function() {
    fileLinks();
}

function calc(type)
{
	if (type=='toEur'){
		calculateInside(document.calculator.sk, type);
	}else{
		calculateInside(document.calculator.eur, type);
	}
}

function calculateInside(element, type){
	if (IsNumeric(element.value)==true){
		//vypocet
		element.value=element.value.replace(/\,/, ".");
		//alert ();
		if (type=='toEur'){
			document.calculator.eur.value=Math.round((element.value/30.126)*10000)/10000;
			document.calculator.eur.value=document.calculator.eur.value.replace(/\./, ",");
			document.calculator.sk.value=document.calculator.sk.value.replace(/\./, ",");
			//alert(eurValue);
		}else{
			document.calculator.sk.value=Math.round((element.value*30.126)*100)/100;
			document.calculator.sk.value=document.calculator.sk.value.replace(/\./, ",");
			document.calculator.eur.value=document.calculator.eur.value.replace(/\./, ",");
		}
	}else{
		//alert ("Zadan� hodnota nen� ��slo. Zadejte hodnotu znovu a jako odd�lova� desetinn�ch m�st pou�ijte desetinou te�ku.");
		resetValue(document.calculator.sk);
		resetValue(document.calculator.eur);
	}
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789,.";
   var IsNumber=true;
   var Char;

   for (i = 0; i < sText.length && IsNumber == true; i++)
      {
      Char = sText.charAt(i);
      if (ValidChars.indexOf(Char) == -1)
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}